spac
7
n 0 + -1 
1 2 
-1.2039728043259361 -0.35667494393873245
0 1 2
n 1 * 0 
0.200000
3 4 
0 1 2
n 2 * 0 
0.200000
5 6 
0 1 2
n 3 ac 1
0 1
n 4 ac 1
2
n 5 ac 2
1 2
n 6 ac 2
0
